Home / 298,344.03-447,516.33-209,991.87

Finding the Fourth Proportional to 298,344.03, 447,516.33 and 209,991.87

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Solution

The fourth proportional to 298,344.03, 447,516.33 and 209,991.87 is: 314,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,344.03 : 447,516.33 = 209,991.87 : x
  2. Step 2: Convert to fraction form
    298,344.03/447,516.33 = 209,991.87/x
  3. Step 3: Cross multiply
    298,344.03x = 447,516.33 × 209,991.87
  4. Step 4: Simplify right side
    298,344.03x = 93,974,790,992.24
  5. Step 5: Solve for x
    x = 93,974,790,992.24/298,344.03
  6. Step 6: Final answer
    x = 314,988.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.